Cooking grill



FIG. 1 is a top, front and right side perspective view of a cooking grill showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines are included for the purpose of illustrating portions of the cooking grill that form no part of the claimed design. 

CLAIM The ornamental design for a cooking grill, as shown and described. 